angle of sight
91Ordnance QF 25 pounder — Gun shown mounted on its firing platform, King Street West, Dundas, Hamilton, Canada. Type Field gun/Howitzer …
92Scheimpflug principle — The Scheimpflug principle is a geometric rule that describes the orientation of the plane of focus of an optical system (such as a camera) when the lens plane is not parallel to the image plane. It is commonly applied to the use of camera… …
93M1903 Springfield rifle — Infobox Weapon|is ranged=yes name= Rifle, Caliber .30, M1903 origin=flagcountry|United States type= Bolt action rifle designer= Springfield Armory design date= 1900 service= 1903–1957 users= See Users wars= World War I, World War II, Korean War,… …
94Glossary of cue sports terms — The following is a glossary of traditional English language terms used in the three overarching cue sports disciplines: carom (or carambole) billiards referring to the various carom games played on a billiard table without pockets; pool (pocket… …
95Light — For other uses, see Light (disambiguation). Visible light redirects here. For other uses, see Visible light (disambiguation) …
96Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …
97FN Minimi — Infobox Weapon name=Minimi caption=An early M249 version of the Minimi origin=flag|Belgium type=Light machine gun is ranged=yes service= used by=See Users wars= designer=Ernest Vervier design date=1974 manufacturer=FN Herstal unit cost=… …
98Relativistic beaming — Doppler beaming redirects here. For other uses named for Christian Doppler, see Doppler (disambiguation). Only a single jet is visible in M87. Two jets are visib …
99Stock (firearm) — A stock, also known as a buttstock or shoulder stock, is present in many firearms and some crossbows (though a crossbow stock is properly a tiller ). [cite web |url=http://www.etymonline.com/index.php?term=tiller |title=Online Etymology… …
100History of optics — Optics began with the development of lenses by the ancient Egyptians and Mesopotamians, followed by theories on light and vision developed by ancient Greek and Indian philosophers, and the development of geometrical optics in the Greco Roman… …
